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A203754 Square root of A203753(n). 3

%I #7 Jan 14 2013 04:50:13

%S 1,1,6,12,147,441,8112,32448,796005,3980025,122054688,732328128,

%T 26950548807,188653841649,8099902347264,64799218778112,

%U 3179644775178921,28616802976610289,1579734079664832000,15797340796648320000

%N Square root of A203753(n).

%t f[j_] := Floor[j/2]; z = 20;

%t u := Product[f[j]^2 - f[j] f[k] + f[k]^2, {j, 1, k - 1}]

%t v[n_] := Product[u, {k, 2, n}]

%t Table[v[n], {n, 1, z}] (* A203752 *)

%t Table[v[n + 1]/v[n], {n, 1, z}] (* A203753 *)

%t Table[Sqrt[v[n + 1]/v[n]], {n, 1, z}] (* A203754 *)

%Y Cf. A093883.

%K nonn

%O 1,3

%A _Clark Kimberling_, Jan 05 2012

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Last modified August 22 17:37 EDT 2024. Contains 375369 sequences. (Running on oeis4.)